Computing the Nearest Neighbor Transform Exactly with only Double Precision, Fourth Discrete Geometry and Algebraic Combinatorics Conference, University of Texas at Brownsville, April 2013.

Robust Volume Calculations for CSG Components in MC Transport Calculations, Data Group Seminar, University of Utah, Salt Lake City, UT, February 2013

Degree-Driven Design of Geometric Algorithms for Point Location, Proximity, and Volume Calculation, Theory Lunch, Carnegie Melon University, Pittsburgh, PA, November 2012

Degree-Driven Geometric Algorithm Design, Innovations in Theoretical Computer Science, Cambridge, MA, January 2012

Two examples of degree-driven algorithm design, Guest lecture at The Institute of Science and Technology (IST) Austria in Maria Gugging, Austria, December 2009 and Duke University, Durham, NC February 2010

Numerical issues in a geometric problem with Brittany Terese Fasy, Guest Lecture Duke University, Durham, NC, 2008

Exploring Computational Mathematics: Unfolding Polyhedra with Brittany Terese Fasy, MAA-Mathfest, Madison, Wi, 2008

Streaming Processing of Spatial Data UNC-Chapel Hill, University Research Day 2008

A parallel Delaunay algorithm for CGAL REUSSI Seminar, INRIA-Rocqencort 2007

Reducing the degree of Apollonius Diagram Predicates REUSSI Seminar, INRIA-Rocqencort 2006